28758220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2063}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 65536128

約数和(自身を除く): 36777908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2063, 2788, 3485, 4126, 6970, 8252, 10315, 13940, 20630, 35071, 41260, 70142, 84583, 140284, 169166, 175355, 338332, 350710, 422915, 701420, 845830, 1437911, 1691660, 2875822, 5751644, 7189555, 14379110, 28758220]

約数ペア:

[(1, 28758220), (2, 14379110), (4, 7189555), (5, 5751644), (10, 2875822), (17, 1691660), (20, 1437911), (34, 845830), (41, 701420), (68, 422915), (82, 350710), (85, 338332), (164, 175355), (170, 169166), (205, 140284), (340, 84583), (410, 70142), (697, 41260), (820, 35071), (1394, 20630), (2063, 13940), (2788, 10315), (3485, 8252), (4126, 6970)]